. Injurious insects and the use of insecticides [microform] : a new descriptive manual on noxious insects, with methods for their repression . abouta month and the larvae,which are very small, feedduring the first year onthe rootlets of variousplants. In the second yearthe grubs work near thesurface; eating all sorts ofroots, and doing greatdamage to cultivated cropsas well as to pasture grubs reach fullgrowth in the third are then soft, dirtywhite worms with a hornyhead of a dark brown ormahogany color. Tlie grubs now constructegg-shaped cocoons orchambers of earth andchan
. Injurious insects and the use of insecticides [microform] : a new descriptive manual on noxious insects, with methods for their repression . abouta month and the larvae,which are very small, feedduring the first year onthe rootlets of variousplants. In the second yearthe grubs work near thesurface; eating all sorts ofroots, and doing greatdamage to cultivated cropsas well as to pasture grubs reach fullgrowth in the third are then soft, dirtywhite worms with a hornyhead of a dark brown ormahogany color. Tlie grubs now constructegg-shaped cocoons orchambers of earth andchange to pupai. The ma-ture beetles emerge in thespring, live for about threeweeks, during which timethey mate, and the eggsare laid for a succeedinggeneration. Remedies.—The un-derground life of the larva makes the pest exceedingly hard to , robins, blackbirds and blue-jays feed upon the grubs;swine and domestic fowls when allowed to roam over infested lieldsdestroy the pest in large numbers. The grubs are also eaten by moles and skunks, and are subject tothe attack of a white fungus which is frequently found growing in two. 1 lO. 66.—Ma\ L_LL,lLl!.fe Al ^^,1II. ,/f ,^^/^,y ORCHARD FRUITS. / 85 long, horn like appendages protruding from each side of the head/ Grubs found with these horn-like i)rocesses should not he killed, butshould be permitted to live and propagate the parasite. In lawns of small area, kerosene emulsion may be used, but the soilmust be drenched in order to reach the grubs. ■ For the adult beetle, spraying the trees with Paris green or LondbA*purple should be resorted to. THE CHEREY APHIS. (Myzus cerasi.) In appearance, habits and life history the cherry aphis is verysimilar to apple and plum aphides. The lice appear during Mayand June, and at once begin to suck the sap of the unfolding buds.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbenefic, bookyear1894
